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- The Geocoding Tools for Python provide a simple toolkit for obtaining the geographic coordinates of places in the real world. For example, you can find out the location of some building you are at by providing the buildings name. The name is looked up in various sources, including Semantic MediaWikis, and the location is returned. Further located in statements are used to infer the location of sub-locations.
- Longwell is a Java-based facetted browser for RDF. It includes features for browsing, querying and query refinement, Timeline support and graphical presentation of RDF graphs. It works very well with the RDF generated by Semantic MediaWiki and its facetted browsing capabilities provide some real added value for the semantic data. It is available online via http://simile.mit.edu/longwell/.
- FOAF Explorer is an online viewer for RDF files that use the FOAF vocabulary. It can be accessed via http://xml.mfd-consult.dk/foaf/explorer/. Like most FOAF tools, FOAF Explorer is still somewhat limited and does not deal well with arbitrary RDF that just contains some FOAF statements. It seems to work well on some pages, like http://wiki.ontoworld.org/index.php/Special:ExportRDF/User:Markus_Krötzsch.
- Piggy Bank is a browser extension for Firefox available at http://simile.mit.edu/piggy-bank/. Semantic MediaWiki refers to a page's RDF specification within its HTML header so that Piggy Bank can find it. In effect, Piggy Bank will collect RDF of all visited articles during browsing. Of course, the further use of this RDF, as in all applications of Piggy Bank, is left to the user.
- KAON2 is a reasoner and ontology management API for OWL DL and SWRL. It can be used to check the validity of the exported OWL specifications. In conjunction with the OWL tools, you can also transform the exported RDF into LaTeX sources that show the according DL statements (which tend to be more readable for humans, or at least for DL-aware humans).